Please help me understand this message. I will show the line that throws this error, then the stack-trace, then the full sources.
package app.dao;
import java.util.ArrayList;
import java.util.List;
import org.hibernate.Query;
public class ResultPager<T> extends Dao<T> {
private Integer lowerLimit;
private Integer pageSize;
private List<Long> idList;
public ResultPager(Class clas){
super(clas);
}
public void populateIdList(){
System.out.println("id from "+getGenericClassName());
[b]idList = getSession().createQuery("id from "+getGenericClassName()).list();[/b]
}
public List<T> nextPage(){
List<Long> subList = new ArrayList<Long>();
for(int i = 0;i<pageSize;i++){
subList.set(i, idList.get(lowerLimit+i));
}
Query q = getSession().createQuery("from "+getGenericClassName()+" as c in (:subList)");
q.setParameterList("subList", subList);
return q.list();
}
public void setPageSize(Integer pageSize) {
if(pageSize == null || pageSize<1)
throw new IllegalArgumentException();
this.pageSize = pageSize;
}
public void setLowerLimit(Integer lowerLimit) {
if(lowerLimit == null || lowerLimit<0)
throw new IllegalArgumentException();
this.lowerLimit = lowerLimit;
}
public Integer getPageSize() {
return pageSize;
}
public Integer getLowerLimit() {
return lowerLimit;
}
}
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